US Bridges

SR 61 over Deshee River

Fair

Knox County, Indiana · 01.92 N SR 241 · Structure no. 021820

Built
1935
90 years old, rebuilt 1979
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
3,814
2004 count
Owner
State
State Highway Agency

About this bridge

SR 61 over Deshee River is a steel stringer/multi-beam or girder carrying SR 61 over Deshee River in Knox County, Indiana. It was built in 1935 and reconstructed in 1979, so it is 90 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,814 vehicles a day, roughly 10% of them trucks, projected to reach 6,331 by 2032. The structure is 79 ft (24 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 61
CrossesDeshee River
Location01.92 N SR 241
RouteState Highway 61
StateIndiana
Coordinates38.62116, -87.39861
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length79 ft (24 m)
Longest span76 ft (23.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,814 (2004)
Projected traffic6,331 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 61 over Deshee River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1979.

What condition is SR 61 over Deshee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does SR 61 over Deshee River carry?

About 3,814 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 61 over Deshee River?

The structure is 79 ft (24 m) long with a longest span of 76 ft (23.3 m) and a deck 34 ft wide.

Who owns SR 61 over Deshee River?

It is owned by the State Highway Agency.